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Med Calc Quiz #7 1 1. An IV of Drug X 100 mg in 1000mL is infusing at 20 mL/hr. The physician asks, How many mg/hr is the patient receiving? How many mcg/min? How many mcg/kg/min? The patient weighs 143 pounds today. 2. An IV of Drug X 250 mg in 500 mL is infusing at 15 mL/hr. The patient weighs 110 pounds. Calculate: mcg/hr ________________ mcg/min __________________ mcg/kg/min.___________________ 3. An IV of Drug X 400 mg in 1000 mL is infusing at 5 mL/hr. The patient weighs 121 pounds. Calculate: mcg/hr______________________ mcg/min _______________________ mcg/kg/min. _______________________ 4. An IV of Drug X 1000 mg in 250 mL is infusing at 10 mL/hr. The patient weighs 132 pounds. Calculate mcg/kg/min ___________________________ Med Calc Quiz #7 5. Ordered: Dopamine HCl (Intropin) 4 mcg/kg/min IV for a 110-lb patient. The literature states that the usual dose is 2 to 5 mcg/kg/min. Available: Dopamine 200 mg in 250 mL of D5W. a) What is the safe dose range (SDR) for this patient?________________________ b) Is the order safe?____________ c) Hourly drug order in mcg:_________________ d) Hourly drug order in mg:__________________ e) What is the hourly flow rate for the ordered dose?_____________________ 6. Ordered: Dobutamine HCl (Dobutrex) 5 mcg/kg/min IV for a 132 pound patient. Available: Dobutamine 250 mg in 250 mL D5W. The current flow rate is 36 mL/hr. a) Hourly drug order in mcg:____________________ b) Hourly drug order in mg:_____________________ c) Hourly flow rate to be set on the infusion device:______________________ d) Is the current infusion correct?______________ 7. Ordered: Lidocaine 4 mg/min. Available: 1 g of lidocaine in 500 mL of D5W. a) What is the hourly drug ordered?__________________ b) Hourly flow rate to be set on the infusion device:_________________ 2 Med Calc Quiz #7 8. Ordered: Isuprel (isoproterenol hydrochloride) 5 mcg/min. Available: Isoproterenol hydrochloride 1 mg in 250 mL D5W. Calculate the hourly flow rate to be set on infusion device:____________________ 9. Ordered: Initial infusion of norepinephrine at 50 mL/hr. Available: Norepinephrine 1 mg in 250 mL NS. The SDR is 8 to 12 mcg/min initially. Is the ordered dose safe?______________________ 10. An IV of Drug X 500 mg in 250 mL is infusing at 8 mL/hr. The patient weighs 175 pounds. Calculate: a) mcg/kg/min:____________________ ` 3